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155079472108 = 221137611561601
BaseRepresentation
bin1001000001101101110…
…1001111001111101100
3112211021202101102200011
42100123131033033230
510020100321101413
6155124215143004
714130004522561
oct2203335171754
9484252342604
10155079472108
115a850356790
122607b974a64
1311815a15062
14771221c868
1540799d333d
hex241b74f3ec

155079472108 has 48 divisors (see below), whose sum is σ = 309047282208. Its totient is φ = 67461120000.

The previous prime is 155079472103. The next prime is 155079472123. The reversal of 155079472108 is 801274970551.

It is not an unprimeable number, because it can be changed into a prime (155079472103) 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, 681493 + ... + 880108.

It is an arithmetic number, because the mean of its divisors is an integer number (6438485046).

Almost surely, 2155079472108 is an apocalyptic number.

It is an amenable number.

155079472108 is a deficient number, since it is larger than the sum of its proper divisors (153967810100).

155079472108 is a wasteful number, since it uses less digits than its factorization.

155079472108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561714 (or 1561712 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 155079472108 in words is "one hundred fifty-five billion, seventy-nine million, four hundred seventy-two thousand, one hundred eight".

Divisors: 1 2 4 11 22 37 44 61 74 122 148 244 407 671 814 1342 1628 2257 2684 4514 9028 24827 49654 99308 1561601 3123202 6246404 17177611 34355222 57779237 68710444 95257661 115558474 190515322 231116948 381030644 635571607 1047834271 1271143214 2095668542 2542286428 3524533457 4191337084 7049066914 14098133828 38769868027 77539736054 155079472108