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30605077400 = 2352673137297
BaseRepresentation
bin11100100000001101…
…000110101110011000
32220222220212000112012
4130200031012232120
51000134344434100
622020525005052
72132264602622
oct344015065630
986886760465
1030605077400
1111a8584a6a7
125b216b3788
132b6984aa71
1416a4953c12
15be1ceb135
hex720346b98

30605077400 has 96 divisors (see below), whose sum is σ = 72459506640. Its totient is φ = 12019138560.

The previous prime is 30605077379. The next prime is 30605077421. The reversal of 30605077400 is 477050603.

It is an interprime number because it is at equal distance from previous prime (30605077379) and next prime (30605077421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4190552 + ... + 4197848.

Almost surely, 230605077400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30605077400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36229753320).

30605077400 is an abundant number, since it is smaller than the sum of its proper divisors (41854429240).

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

30605077400 is a wasteful number, since it uses less digits than its factorization.

30605077400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693 (or 7684 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 30605077400 in words is "thirty billion, six hundred five million, seventy-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 67 100 134 200 268 313 335 536 626 670 1252 1340 1565 1675 2504 2680 3130 3350 6260 6700 7297 7825 12520 13400 14594 15650 20971 29188 31300 36485 41942 58376 62600 72970 83884 104855 145940 167768 182425 209710 291880 364850 419420 488899 524275 729700 838840 977798 1048550 1459400 1955596 2097100 2283961 2444495 3911192 4194200 4567922 4888990 9135844 9777980 11419805 12222475 18271688 19555960 22839610 24444950 45679220 48889900 57099025 91358440 97779800 114198050 153025387 228396100 306050774 456792200 612101548 765126935 1224203096 1530253870 3060507740 3825634675 6121015480 7651269350 15302538700 30605077400