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1057145886976 = 2817923592
BaseRepresentation
bin11110110001000101100…
…11100001100100000000
310202001200022111021012111
433120202303201210000
5114310013321340401
62125351321105104
7136243026530344
oct17304263414400
93661608437174
101057145886976
11378373325663
12150a70028194
13788c463024a
1439247c2b624
151c773640e51
hexf622ce1900

1057145886976 has 81 divisors (see below), whose sum is σ = 2127944147371. Its totient is φ = 524155899392.

The previous prime is 1057145886949. The next prime is 1057145886977. The reversal of 1057145886976 is 6796885417501.

The square root of 1057145886976 is 1028176.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×10571458869762 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057145886977) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2944695885 + ... + 2944696243.

Almost surely, 21057145886976 is an apocalyptic number.

1057145886976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1057145886976 is the 1028176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057145886976

1057145886976 is an abundant number, since it is smaller than the sum of its proper divisors (1070798260395).

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

1057145886976 is an frugal number, since it uses more digits than its factorization.

1057145886976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 67.

The spelling of 1057145886976 in words is "one trillion, fifty-seven billion, one hundred forty-five million, eight hundred eighty-six thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 128 179 256 358 359 716 718 1432 1436 2864 2872 5728 5744 11456 11488 22912 22976 32041 45824 45952 64082 64261 91904 128164 128522 128881 256328 257044 257762 512656 514088 515524 1025312 1028176 1031048 2050624 2056352 2062096 4101248 4112704 4124192 8202496 8225408 8248384 11502719 16450816 16496768 23005438 23069699 32993536 46010876 46139398 92021752 92278796 184043504 184557592 368087008 369115184 736174016 738230368 1472348032 1476460736 2944696064 2952921472 4129476121 5905842944 8258952242 16517904484 33035808968 66071617936 132143235872 264286471744 528572943488 1057145886976