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30704402432 = 221114
BaseRepresentation
bin11100100110001000…
…000000000000000000
32221020211202020212002
4130212020000000000
51000340311334212
622034433523132
72134612054154
oct344610000000
987224666762
1030704402432
1112026920000
125b4aa134a8
132b842b6282
1416b3c0b064
15bea8baac2
hex726200000

30704402432 has 110 divisors (see below), whose sum is σ = 67549249815. Its totient is φ = 13956546560.

The previous prime is 30704402411. The next prime is 30704402447. The reversal of 30704402432 is 23420440703.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 15352201216 + 15352201216 = 123904^2 + 123904^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=123904.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30704402395 and 30704402404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 2791309307 + ... + 2791309317.

Almost surely, 230704402432 is an apocalyptic number.

30704402432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30704402432

30704402432 is an abundant number, since it is smaller than the sum of its proper divisors (36844847383).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30704402432 is an frugal number, since it uses more digits than its factorization.

30704402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 13 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 30704402432 in words is "thirty billion, seven hundred four million, four hundred two thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1331 1408 1936 2048 2662 2816 3872 4096 5324 5632 7744 8192 10648 11264 14641 15488 16384 21296 22528 29282 30976 32768 42592 45056 58564 61952 65536 85184 90112 117128 123904 131072 170368 180224 234256 247808 262144 340736 360448 468512 495616 524288 681472 720896 937024 991232 1048576 1362944 1441792 1874048 1982464 2097152 2725888 2883584 3748096 3964928 5451776 5767168 7496192 7929856 10903552 11534336 14992384 15859712 21807104 23068672 29984768 31719424 43614208 59969536 63438848 87228416 119939072 126877696 174456832 239878144 253755392 348913664 479756288 697827328 959512576 1395654656 1919025152 2791309312 3838050304 7676100608 15352201216 30704402432