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2571416375440 = 245113618780749
BaseRepresentation
bin100101011010110100010…
…111000001000010010000
3100002211021102120022220211
4211122310113001002100
5314112230043003230
65245143053013504
7353531044361503
oct45326427010220
910084242508824
102571416375440
11901593564170
12356436184294
131586393bc963
148c65886113a
1546d4d74d42a
hex256b45c1090

2571416375440 has 80 divisors (see below), whose sum is σ = 6522307992000. Its totient is φ = 935023080960.

The previous prime is 2571416375387. The next prime is 2571416375443. The reversal of 2571416375440 is 445736141752.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25714163754402 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571416375443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31804186 + ... + 31884934.

It is an arithmetic number, because the mean of its divisors is an integer number (81528849900).

Almost surely, 22571416375440 is an apocalyptic number.

2571416375440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2571416375440 is an abundant number, since it is smaller than the sum of its proper divisors (3950891616560).

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

2571416375440 is a wasteful number, since it uses less digits than its factorization.

2571416375440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116960 (or 116954 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 2571416375440 in words is "two trillion, five hundred seventy-one billion, four hundred sixteen million, three hundred seventy-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 36187 72374 80749 144748 161498 180935 289496 322996 361870 398057 403745 578992 645992 723740 796114 807490 888239 1291984 1447480 1592228 1614980 1776478 1990285 2894960 3184456 3229960 3552956 3980570 4441195 6368912 6459920 7105912 7961140 8882390 14211824 15922280 17764780 31844560 35529560 71059120 2922064063 5844128126 11688256252 14610320315 23376512504 29220640630 32142704693 46753025008 58441281260 64285409386 116882562520 128570818772 160713523465 233765125040 257141637544 321427046930 514283275088 642854093860 1285708187720 2571416375440