Search a number
-
+
31434227450 = 2524715438669
BaseRepresentation
bin11101010001101000…
…000011111011111010
310000010201001012120022
4131101220003323322
51003334130234300
622235104330442
72161653344663
oct352150037372
9100121035508
1031434227450
111237089037a
126113313a22
132c6c568ab2
141742b0a36a
15c3e9d0285
hex751a03efa

31434227450 has 48 divisors (see below), whose sum is σ = 59757246720. Its totient is φ = 12296771520.

The previous prime is 31434227369. The next prime is 31434227467. The reversal of 31434227450 is 5472243413.

It is a super-2 number, since 2×314342274502 (a number of 22 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 31434227450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3621716 + ... + 3630384.

It is an arithmetic number, because the mean of its divisors is an integer number (1244942640).

Almost surely, 231434227450 is an apocalyptic number.

31434227450 is a deficient number, since it is larger than the sum of its proper divisors (28323019270).

31434227450 is a wasteful number, since it uses less digits than its factorization.

31434227450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271 (or 10266 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 31434227450 in words is "thirty-one billion, four hundred thirty-four million, two hundred twenty-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 47 50 94 235 470 1175 1543 2350 3086 7715 8669 15430 17338 38575 43345 72521 77150 86690 145042 216725 362605 407443 433450 725210 814886 1813025 2037215 3626050 4074430 10186075 13376267 20372150 26752534 66881335 133762670 334406675 628684549 668813350 1257369098 3143422745 6286845490 15717113725 31434227450