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1268226850 = 252114771691
BaseRepresentation
bin100101110010111…
…1001101100100010
310021101101121011211
41023211321230202
510044131224400
6325502300334
743266515242
oct11345715442
93241347154
101268226850
115a0976670
122b48876aa
13172991bb7
14c060db22
1576515dba
hex4b979b22

1268226850 has 96 divisors (see below), whose sum is σ = 2668972032. Its totient is φ = 444360000.

The previous prime is 1268226847. The next prime is 1268226857. The reversal of 1268226850 is 586228621.

It is not an unprimeable number, because it can be changed into a prime (1268226857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1835005 + ... + 1835695.

It is an arithmetic number, because the mean of its divisors is an integer number (27801792).

Almost surely, 21268226850 is an apocalyptic number.

1268226850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268226850 is an abundant number, since it is smaller than the sum of its proper divisors (1400745182).

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

1268226850 is a wasteful number, since it uses less digits than its factorization.

1268226850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1268226850 is about 35612.1727784195. The cubic root of 1268226850 is about 1082.4279083032.

The spelling of 1268226850 in words is "one billion, two hundred sixty-eight million, two hundred twenty-six thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 25 47 50 55 71 94 110 142 235 275 355 470 517 550 691 710 781 1034 1175 1382 1562 1775 2350 2585 3337 3455 3550 3905 5170 6674 6910 7601 7810 12925 15202 16685 17275 19525 25850 32477 33370 34550 36707 38005 39050 49061 64954 73414 76010 83425 98122 162385 166850 183535 190025 245305 324770 357247 367070 380050 490610 539671 714494 811925 917675 1079342 1226525 1623850 1786235 1835350 2305867 2453050 2698355 3572470 4611734 5396710 8931175 11529335 13491775 17862350 23058670 25364537 26983550 50729074 57646675 115293350 126822685 253645370 634113425 1268226850