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48180222121437 = 32725091006921317
BaseRepresentation
bin10101111010001110101010…
…00001100101010111011101
320022120222120112000202202100
422331013111001211113131
522303341043330341222
6250245404413515313
713101622550603400
oct1275072501452735
9208528515022670
1048180222121437
111439613237161a
1254a1796aa2b39
1320b64b5b34363
14bc7d14253d37
15588428b144ac
hex2bd1d50655dd

48180222121437 has 72 divisors (see below), whose sum is σ = 81126793776600. Its totient is φ = 27473448215808.

The previous prime is 48180222121433. The next prime is 48180222121523. The reversal of 48180222121437 is 73412122208184.

48180222121437 is a `hidden beast` number, since 4 + 8 + 180 + 2 + 22 + 12 + 1 + 437 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25700732628921 + 22479489492516 = 5069589^2 + 4741254^2 .

It is not a de Polignac number, because 48180222121437 - 22 = 48180222121433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48180222121392 and 48180222121401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48180222121433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2260167703 + ... + 2260189019.

It is an arithmetic number, because the mean of its divisors is an integer number (1126761024675).

Almost surely, 248180222121437 is an apocalyptic number.

It is an amenable number.

48180222121437 is a deficient number, since it is larger than the sum of its proper divisors (32946571655163).

48180222121437 is a wasteful number, since it uses less digits than its factorization.

48180222121437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31915 (or 31905 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 48180222121437 in words is "forty-eight trillion, one hundred eighty billion, two hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-seven".

Divisors: 1 3 7 9 21 49 63 147 441 509 1527 3563 4581 10069 10689 21317 24941 30207 32067 63951 70483 74823 90621 149219 191853 211449 224469 447657 493381 634347 1044533 1342971 1480143 3133599 4440429 5125121 9400797 10850353 15375363 32551059 35875847 46126089 75952471 97653177 107627541 214640873 227857413 251130929 322882623 531667297 643922619 683572239 753392787 1502486111 1595001891 1931767857 2260178361 4507458333 4785005673 10517402777 13522374999 31552208331 94656624993 109252204357 327756613071 764765430499 983269839213 2294296291497 5353358013493 6882888874491 16060074040479 48180222121437