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57406550262250 = 25373669464143
BaseRepresentation
bin11010000110110000000010…
…00010010100000111101010
321112021000100012011102002111
431003120001002110013222
530011022103331343000
6322032112145552534
715043325555044000
oct1503300102240752
9245230305142074
1057406550262250
1117322a88045802
12653193564574a
132605550758357
1410266c592ca70
15698421d35cba
hex3436010941ea

57406550262250 has 64 divisors (see below), whose sum is σ = 125323687756800. Its totient is φ = 19682245774800.

The previous prime is 57406550262221. The next prime is 57406550262263. The reversal of 57406550262250 is 5226205560475.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 57406550262194 and 57406550262203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334646322 + ... + 334817821.

It is an arithmetic number, because the mean of its divisors is an integer number (1958182621200).

Almost surely, 257406550262250 is an apocalyptic number.

57406550262250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57406550262250 is an abundant number, since it is smaller than the sum of its proper divisors (67917137494550).

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

57406550262250 is an equidigital number, since it uses as much as digits as its factorization.

57406550262250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669464181 (or 669464157 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 57406550262250 in words is "fifty-seven trillion, four hundred six billion, five hundred fifty million, two hundred sixty-two thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 125 175 245 250 343 350 490 686 875 1225 1715 1750 2450 3430 6125 8575 12250 17150 42875 85750 669464143 1338928286 3347320715 4686249001 6694641430 9372498002 16736603575 23431245005 32803743007 33473207150 46862490010 65607486014 83683017875 117156225025 164018715035 167366035750 229626201049 234312450050 328037430070 459252402098 585781125125 820093575175 1148131005245 1171562250250 1640187150350 2296262010490 4100467875875 5740655026225 8200935751750 11481310052450 28703275131125 57406550262250