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102010431234 = 231737127331643
BaseRepresentation
bin101111100000001001…
…0111010011100000010
3100202022021121211102210
41133000102322130002
53132404132244414
6114510221322550
710240625234025
oct1370022723402
9322267554383
10102010431234
113a298257918
121792b106456
139809199a1a
144d1a0731bc
1529c09ace59
hex17c04ba702

102010431234 has 128 divisors (see below), whose sum is σ = 224631816192. Its totient is φ = 30751902720.

The previous prime is 102010431209. The next prime is 102010431239. The reversal of 102010431234 is 432134010201.

It is a super-2 number, since 2×1020104312342 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102010431234.

It is not an unprimeable number, because it can be changed into a prime (102010431239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158647317 + ... + 158647959.

It is an arithmetic number, because the mean of its divisors is an integer number (1754936064).

Almost surely, 2102010431234 is an apocalyptic number.

102010431234 is an abundant number, since it is smaller than the sum of its proper divisors (122621384958).

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

102010431234 is a wasteful number, since it uses less digits than its factorization.

102010431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102010431234 its reverse (432134010201), we get a palindrome (534144441435).

The spelling of 102010431234 in words is "one hundred two billion, ten million, four hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 17 34 37 51 74 102 111 127 222 254 331 381 629 643 662 762 993 1258 1286 1887 1929 1986 2159 3774 3858 4318 4699 5627 6477 9398 10931 11254 12247 12954 14097 16881 21862 23791 24494 28194 32793 33762 36741 42037 47582 65586 71373 73482 79883 81661 84074 126111 142746 159766 163322 208199 212833 239649 244983 252222 404447 416398 425666 479298 489966 624597 638499 714629 808894 1213341 1249194 1276998 1388237 1429258 1555369 2143887 2426682 2776474 3021457 3110738 3618161 4164711 4287774 4666107 6042914 7236322 7874821 8329422 9064371 9332214 10854483 15749642 18128742 21708966 23624463 26441273 27029791 47248926 51364769 52882546 54059582 79323819 81089373 102729538 133871957 154094307 158647638 162178746 267743914 308188614 401615871 459506447 803231742 919012894 1000102267 1378519341 2000204534 2757038682 3000306801 6000613602 17001738539 34003477078 51005215617 102010431234